Spinning Rust is (Almost) Dead, Part 1, The Pace of Technology

“Spinning rust?” you may say? Yes, rust, or another iron oxide, is the ferromagnetic coating on the platters spinning inside every hard disk drive.  To read and write your data an actuator arm, driven by a separate motor moves a tiny recording head over each platter surface, flying on a microscopic layer of air to change the magnetic polarization one bit at a time.  Continue reading Spinning Rust is (Almost) Dead, Part 1, The Pace of Technology